CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net income (loss)	$ (10,279)	$ 484
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation and amortization	2,179	1,841
Provision for bad debts	69	43
Provision for customer credits	65	94
Share-based compensation	1,626	1,011
Change in deferred tax asset	692	334
Goodwill impairment	5,133
Changes in assets and liabilities:
Accounts receivable	753	4,980
Prepaid expenses and other current assets	137	16
Other assets	(668)	44
Accounts payable	(1,099)	(2,527)
Accrued expenses and other current liabilities	(265)	(2,858)
Net cash (used in) provided by operating activities	(1,657)	3,462
Cash flows from investing activities:
Purchases of property and equipment	(250)	(163)
Net cash used in investing activities	(250)	(163)
Cash flows from financing activities:
Payments on term loan borrowings		(2,625)
Proceeds from exercise of stock options	73	457
Payments on revolving credit facility	(8,000)
Net cash used in financing activities	(7,927)	(2,168)
Net increase (decrease) in cash and cash equivalents	(9,834)	1,131
Cash and cash equivalents, beginning of period	24,993	38,512
Cash and cash equivalents, end of period	15,159	39,643
Supplemental disclosure of cash flow information:
Cash paid for income taxes
Cash paid for interest	$ 73	$ 356